Python-修改hosts文件

Python
  1. 1. 准备
  2. 2. 主要代码
  3. 3. 刷新DNS缓存

准备

  • Window 7/8/10
  • Node.js环境
  • Python环境
  • requests插件
    1
    pip install requests
  • beautifulsoup4插件
    1
    pip install beautifulsoup4

主要代码

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s = """
github.com
assets-cdn.github.com
avatars0.githubusercontent.com
avatars1.githubusercontent.com
github-cloud.s3.amazonaws.com
documentcloud.github.com 
help.github.com
nodeload.github.com
raw.github.com
status.github.com
training.github.com
github.io
"""
import requests
from bs4 import BeautifulSoup
  
ans = []
for i in s.split():
    url = "http://ip.chinaz.com/" + i.strip()
    resp = requests.get(url)
    soup = BeautifulSoup(resp.text)
    x = soup.find(class_="IcpMain02")
    x = x.find_all("span", class_="Whwtdhalf")
    x = "%s %s" % (x[5].string.strip(), i.strip())
    print(x)
    ans.append(x)
  
hosts = r"C:\Windows\System32\drivers\etc\hosts"
with open(hosts, "r") as f:
    content = [i for i in f.readlines() if i.startswith("#")]
    content.extend(ans)
with open(hosts, "w") as f:
    f.write("\n".join(content))

刷新DNS缓存

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ipconfig /flushdns
Python
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